OptiGait-LGBM: An Efficient Approach of Gait-based Person Re-identification in Non-Overlapping Regions. - Sakib H. Chowdhury; Md. Hafiz Ahamed; Bishowjit Paul; Sarafat Hussain Abhi; Abu Bakar Siddique; Md. Robius Sany (CoRR, 2025)